unix.c revision 01c196b4f121cb77f50b9af2c54838aa4c6e06a0
1/* 2 * unix.c - The unix-specific code for e2fsck 3 * 4 * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. 5 * 6 * %Begin-Header% 7 * This file may be redistributed under the terms of the GNU Public 8 * License. 9 * %End-Header% 10 */ 11 12#include <stdio.h> 13#ifdef HAVE_STDLIB_H 14#include <stdlib.h> 15#endif 16#include <string.h> 17#include <fcntl.h> 18#include <ctype.h> 19#include <time.h> 20#ifdef HAVE_SIGNAL_H 21#include <signal.h> 22#endif 23#ifdef HAVE_GETOPT_H 24#include <getopt.h> 25#else 26extern char *optarg; 27extern int optind; 28#endif 29#include <unistd.h> 30#ifdef HAVE_ERRNO_H 31#include <errno.h> 32#endif 33#ifdef HAVE_MNTENT_H 34#include <mntent.h> 35#endif 36#ifdef HAVE_SYS_IOCTL_H 37#include <sys/ioctl.h> 38#endif 39#ifdef HAVE_MALLOC_H 40#include <malloc.h> 41#endif 42#ifdef HAVE_SYS_TYPES_H 43#include <sys/types.h> 44#endif 45#ifdef HAVE_DIRENT_H 46#include <dirent.h> 47#endif 48 49#include "et/com_err.h" 50#include "e2p/e2p.h" 51#include "e2fsck.h" 52#include "problem.h" 53#include "../version.h" 54 55/* Command line options */ 56static int cflag; /* check disk */ 57static int show_version_only; 58static int verbose; 59 60static int replace_bad_blocks; 61static int keep_bad_blocks; 62static char *bad_blocks_file; 63 64e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 65 66#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ 67int journal_enable_debug = -1; 68#endif 69 70static void usage(e2fsck_t ctx) 71{ 72 fprintf(stderr, 73 _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n" 74 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" 75 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" 76 "\t\t[-E extended-options] device\n"), 77 ctx->program_name); 78 79 fprintf(stderr, _("\nEmergency help:\n" 80 " -p Automatic repair (no questions)\n" 81 " -n Make no changes to the filesystem\n" 82 " -y Assume \"yes\" to all questions\n" 83 " -c Check for bad blocks and add them to the badblock list\n" 84 " -f Force checking even if filesystem is marked clean\n")); 85 fprintf(stderr, _("" 86 " -v Be verbose\n" 87 " -b superblock Use alternative superblock\n" 88 " -B blocksize Force blocksize when looking for superblock\n" 89 " -j external_journal Set location of the external journal\n" 90 " -l bad_blocks_file Add to badblocks list\n" 91 " -L bad_blocks_file Set badblocks list\n" 92 )); 93 94 exit(FSCK_USAGE); 95} 96 97static void show_stats(e2fsck_t ctx) 98{ 99 ext2_filsys fs = ctx->fs; 100 ext2_ino_t inodes, inodes_used; 101 blk_t blocks, blocks_used; 102 int dir_links; 103 int num_files, num_links; 104 int frag_percent; 105 106 dir_links = 2 * ctx->fs_directory_count - 1; 107 num_files = ctx->fs_total_count - dir_links; 108 num_links = ctx->fs_links_count - dir_links; 109 inodes = fs->super->s_inodes_count; 110 inodes_used = (fs->super->s_inodes_count - 111 fs->super->s_free_inodes_count); 112 blocks = fs->super->s_blocks_count; 113 blocks_used = (fs->super->s_blocks_count - 114 fs->super->s_free_blocks_count); 115 116 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; 117 frag_percent = (frag_percent + 5) / 10; 118 119 if (!verbose) { 120 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), 121 ctx->device_name, inodes_used, inodes, 122 frag_percent / 10, frag_percent % 10, 123 blocks_used, blocks); 124 return; 125 } 126 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", 127 inodes_used), inodes_used, 100.0 * inodes_used / inodes); 128 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", 129 "%8u non-contiguous inodes (%0d.%d%%)\n", 130 ctx->fs_fragmented), 131 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); 132 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), 133 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); 134 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", 135 blocks_used), blocks_used, 100.0 * blocks_used / blocks); 136 printf (P_("%8u bad block\n", "%8u bad blocks\n", 137 ctx->fs_badblocks_count), ctx->fs_badblocks_count); 138 printf (P_("%8u large file\n", "%8u large files\n", 139 ctx->large_files), ctx->large_files); 140 printf (P_("\n%8u regular file\n", "\n%8u regular files\n", 141 ctx->fs_regular_count), ctx->fs_regular_count); 142 printf (P_("%8u directory\n", "%8u directories\n", 143 ctx->fs_directory_count), ctx->fs_directory_count); 144 printf (P_("%8u character device file\n", 145 "%8u character device files\n", ctx->fs_chardev_count), 146 ctx->fs_chardev_count); 147 printf (P_("%8u block device file\n", "%8u block device files\n", 148 ctx->fs_blockdev_count), ctx->fs_blockdev_count); 149 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), 150 ctx->fs_fifo_count); 151 printf (P_("%8u link\n", "%8u links\n", 152 ctx->fs_links_count - dir_links), 153 ctx->fs_links_count - dir_links); 154 printf (P_("%8u symbolic link", "%8u symbolic links", 155 ctx->fs_symlinks_count), ctx->fs_symlinks_count); 156 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", 157 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); 158 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), 159 ctx->fs_sockets_count); 160 printf ("--------\n"); 161 printf (P_("%8u file\n", "%8u files\n", 162 ctx->fs_total_count - dir_links), 163 ctx->fs_total_count - dir_links); 164} 165 166static void check_mount(e2fsck_t ctx) 167{ 168 errcode_t retval; 169 int cont; 170 171 retval = ext2fs_check_if_mounted(ctx->filesystem_name, 172 &ctx->mount_flags); 173 if (retval) { 174 com_err("ext2fs_check_if_mount", retval, 175 _("while determining whether %s is mounted."), 176 ctx->filesystem_name); 177 return; 178 } 179 180 /* 181 * If the filesystem isn't mounted, or it's the root 182 * filesystem and it's mounted read-only, and we're not doing 183 * a read/write check, then everything's fine. 184 */ 185 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || 186 ((ctx->mount_flags & EXT2_MF_ISROOT) && 187 (ctx->mount_flags & EXT2_MF_READONLY) && 188 !(ctx->options & E2F_OPT_WRITECHECK))) 189 return; 190 191 if ((ctx->options & E2F_OPT_READONLY) && 192 !(ctx->options & E2F_OPT_WRITECHECK)) { 193 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); 194 return; 195 } 196 197 printf(_("%s is mounted. "), ctx->filesystem_name); 198 if (!ctx->interactive) 199 fatal_error(ctx, _("Cannot continue, aborting.\n\n")); 200 printf(_("\n\n\007\007\007\007WARNING!!! " 201 "Running e2fsck on a mounted filesystem may cause\n" 202 "SEVERE filesystem damage.\007\007\007\n\n")); 203 cont = ask_yn(_("Do you really want to continue"), -1); 204 if (!cont) { 205 printf (_("check aborted.\n")); 206 exit (0); 207 } 208 return; 209} 210 211static int is_on_batt(void) 212{ 213 FILE *f; 214 DIR *d; 215 char tmp[80], tmp2[80], fname[80]; 216 unsigned int acflag; 217 struct dirent* de; 218 219 f = fopen("/proc/apm", "r"); 220 if (f) { 221 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) 222 acflag = 1; 223 fclose(f); 224 return (acflag != 1); 225 } 226 d = opendir("/proc/acpi/ac_adapter"); 227 if (d) { 228 while ((de=readdir(d)) != NULL) { 229 if (!strncmp(".", de->d_name, 1)) 230 continue; 231 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", 232 de->d_name); 233 f = fopen(fname, "r"); 234 if (!f) 235 continue; 236 if (fscanf(f, "%s %s", tmp2, tmp) != 2) 237 tmp[0] = 0; 238 fclose(f); 239 if (strncmp(tmp, "off-line", 8) == 0) { 240 closedir(d); 241 return 1; 242 } 243 } 244 closedir(d); 245 } 246 return 0; 247} 248 249/* 250 * This routine checks to see if a filesystem can be skipped; if so, 251 * it will exit with E2FSCK_OK. Under some conditions it will print a 252 * message explaining why a check is being forced. 253 */ 254static void check_if_skip(e2fsck_t ctx) 255{ 256 ext2_filsys fs = ctx->fs; 257 const char *reason = NULL; 258 unsigned int reason_arg = 0; 259 long next_check; 260 int batt = is_on_batt(); 261 int defer_check_on_battery; 262 time_t lastcheck; 263 264 profile_get_boolean(ctx->profile, "options", 265 "defer_check_on_battery", 0, 1, 266 &defer_check_on_battery); 267 if (!defer_check_on_battery) 268 batt = 0; 269 270 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag) 271 return; 272 273 lastcheck = fs->super->s_lastcheck; 274 if (lastcheck > ctx->now) 275 lastcheck -= ctx->time_fudge; 276 if ((fs->super->s_state & EXT2_ERROR_FS) || 277 !ext2fs_test_valid(fs)) 278 reason = _(" contains a file system with errors"); 279 else if ((fs->super->s_state & EXT2_VALID_FS) == 0) 280 reason = _(" was not cleanly unmounted"); 281 else if (check_backup_super_block(ctx)) 282 reason = _(" primary superblock features different from backup"); 283 else if ((fs->super->s_max_mnt_count > 0) && 284 (fs->super->s_mnt_count >= 285 (unsigned) fs->super->s_max_mnt_count)) { 286 reason = _(" has been mounted %u times without being checked"); 287 reason_arg = fs->super->s_mnt_count; 288 if (batt && (fs->super->s_mnt_count < 289 (unsigned) fs->super->s_max_mnt_count*2)) 290 reason = 0; 291 } else if (fs->super->s_checkinterval && 292 ((ctx->now - lastcheck) >= fs->super->s_checkinterval)) { 293 reason = _(" has gone %u days without being checked"); 294 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); 295 if (batt && ((ctx->now - fs->super->s_lastcheck) < 296 fs->super->s_checkinterval*2)) 297 reason = 0; 298 } 299 if (reason) { 300 fputs(ctx->device_name, stdout); 301 printf(reason, reason_arg); 302 fputs(_(", check forced.\n"), stdout); 303 return; 304 } 305 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, 306 fs->super->s_inodes_count - fs->super->s_free_inodes_count, 307 fs->super->s_inodes_count, 308 fs->super->s_blocks_count - fs->super->s_free_blocks_count, 309 fs->super->s_blocks_count); 310 next_check = 100000; 311 if (fs->super->s_max_mnt_count > 0) { 312 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; 313 if (next_check <= 0) 314 next_check = 1; 315 } 316 if (fs->super->s_checkinterval && 317 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) 318 next_check = 1; 319 if (next_check <= 5) { 320 if (next_check == 1) { 321 if (batt) 322 fputs(_(" (check deferred; on battery)"), 323 stdout); 324 else 325 fputs(_(" (check after next mount)"), stdout); 326 } else 327 printf(_(" (check in %ld mounts)"), next_check); 328 } 329 fputc('\n', stdout); 330 ext2fs_close(fs); 331 ctx->fs = NULL; 332 e2fsck_free_context(ctx); 333 exit(FSCK_OK); 334} 335 336/* 337 * For completion notice 338 */ 339struct percent_tbl { 340 int max_pass; 341 int table[32]; 342}; 343struct percent_tbl e2fsck_tbl = { 344 5, { 0, 70, 90, 92, 95, 100 } 345}; 346static char bar[128], spaces[128]; 347 348static float calc_percent(struct percent_tbl *tbl, int pass, int curr, 349 int max) 350{ 351 float percent; 352 353 if (pass <= 0) 354 return 0.0; 355 if (pass > tbl->max_pass || max == 0) 356 return 100.0; 357 percent = ((float) curr) / ((float) max); 358 return ((percent * (tbl->table[pass] - tbl->table[pass-1])) 359 + tbl->table[pass-1]); 360} 361 362extern void e2fsck_clear_progbar(e2fsck_t ctx) 363{ 364 if (!(ctx->flags & E2F_FLAG_PROG_BAR)) 365 return; 366 367 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), 368 ctx->stop_meta); 369 fflush(stdout); 370 ctx->flags &= ~E2F_FLAG_PROG_BAR; 371} 372 373int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, 374 unsigned int dpynum) 375{ 376 static const char spinner[] = "\\|/-"; 377 int i; 378 unsigned int tick; 379 struct timeval tv; 380 int dpywidth; 381 int fixed_percent; 382 383 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) 384 return 0; 385 386 /* 387 * Calculate the new progress position. If the 388 * percentage hasn't changed, then we skip out right 389 * away. 390 */ 391 fixed_percent = (int) ((10 * percent) + 0.5); 392 if (ctx->progress_last_percent == fixed_percent) 393 return 0; 394 ctx->progress_last_percent = fixed_percent; 395 396 /* 397 * If we've already updated the spinner once within 398 * the last 1/8th of a second, no point doing it 399 * again. 400 */ 401 gettimeofday(&tv, NULL); 402 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); 403 if ((tick == ctx->progress_last_time) && 404 (fixed_percent != 0) && (fixed_percent != 1000)) 405 return 0; 406 ctx->progress_last_time = tick; 407 408 /* 409 * Advance the spinner, and note that the progress bar 410 * will be on the screen 411 */ 412 ctx->progress_pos = (ctx->progress_pos+1) & 3; 413 ctx->flags |= E2F_FLAG_PROG_BAR; 414 415 dpywidth = 66 - strlen(label); 416 dpywidth = 8 * (dpywidth / 8); 417 if (dpynum) 418 dpywidth -= 8; 419 420 i = ((percent * dpywidth) + 50) / 100; 421 printf("%s%s: |%s%s", ctx->start_meta, label, 422 bar + (sizeof(bar) - (i+1)), 423 spaces + (sizeof(spaces) - (dpywidth - i + 1))); 424 if (fixed_percent == 1000) 425 fputc('|', stdout); 426 else 427 fputc(spinner[ctx->progress_pos & 3], stdout); 428 printf(" %4.1f%% ", percent); 429 if (dpynum) 430 printf("%u\r", dpynum); 431 else 432 fputs(" \r", stdout); 433 fputs(ctx->stop_meta, stdout); 434 435 if (fixed_percent == 1000) 436 e2fsck_clear_progbar(ctx); 437 fflush(stdout); 438 439 return 0; 440} 441 442static int e2fsck_update_progress(e2fsck_t ctx, int pass, 443 unsigned long cur, unsigned long max) 444{ 445 char buf[1024]; 446 float percent; 447 448 if (pass == 0) 449 return 0; 450 451 if (ctx->progress_fd) { 452 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", 453 pass, cur, max, ctx->device_name); 454 write(ctx->progress_fd, buf, strlen(buf)); 455 } else { 456 percent = calc_percent(&e2fsck_tbl, pass, cur, max); 457 e2fsck_simple_progress(ctx, ctx->device_name, 458 percent, 0); 459 } 460 return 0; 461} 462 463#define PATH_SET "PATH=/sbin" 464 465static void reserve_stdio_fds(void) 466{ 467 int fd; 468 469 while (1) { 470 fd = open("/dev/null", O_RDWR); 471 if (fd > 2) 472 break; 473 if (fd < 0) { 474 fprintf(stderr, _("ERROR: Couldn't open " 475 "/dev/null (%s)\n"), 476 strerror(errno)); 477 break; 478 } 479 } 480 close(fd); 481} 482 483#ifdef HAVE_SIGNAL_H 484static void signal_progress_on(int sig EXT2FS_ATTR((unused))) 485{ 486 e2fsck_t ctx = e2fsck_global_ctx; 487 488 if (!ctx) 489 return; 490 491 ctx->progress = e2fsck_update_progress; 492} 493 494static void signal_progress_off(int sig EXT2FS_ATTR((unused))) 495{ 496 e2fsck_t ctx = e2fsck_global_ctx; 497 498 if (!ctx) 499 return; 500 501 e2fsck_clear_progbar(ctx); 502 ctx->progress = 0; 503} 504 505static void signal_cancel(int sig EXT2FS_ATTR((unused))) 506{ 507 e2fsck_t ctx = e2fsck_global_ctx; 508 509 if (!ctx) 510 exit(FSCK_CANCELED); 511 512 ctx->flags |= E2F_FLAG_CANCEL; 513} 514#endif 515 516static void parse_extended_opts(e2fsck_t ctx, const char *opts) 517{ 518 char *buf, *token, *next, *p, *arg; 519 int ea_ver; 520 int extended_usage = 0; 521 522 buf = string_copy(ctx, opts, 0); 523 for (token = buf; token && *token; token = next) { 524 p = strchr(token, ','); 525 next = 0; 526 if (p) { 527 *p = 0; 528 next = p+1; 529 } 530 arg = strchr(token, '='); 531 if (arg) { 532 *arg = 0; 533 arg++; 534 } 535 if (strcmp(token, "ea_ver") == 0) { 536 if (!arg) { 537 extended_usage++; 538 continue; 539 } 540 ea_ver = strtoul(arg, &p, 0); 541 if (*p || 542 ((ea_ver != 1) && (ea_ver != 2))) { 543 fprintf(stderr, 544 _("Invalid EA version.\n")); 545 extended_usage++; 546 continue; 547 } 548 ctx->ext_attr_ver = ea_ver; 549 } else { 550 fprintf(stderr, _("Unknown extended option: %s\n"), 551 token); 552 extended_usage++; 553 } 554 } 555 free(buf); 556 557 if (extended_usage) { 558 fputs(("\nExtended options are separated by commas, " 559 "and may take an argument which\n" 560 "is set off by an equals ('=') sign. " 561 "Valid extended options are:\n" 562 "\tea_ver=<ea_version (1 or 2)>\n" 563 "\tuninit_groups\n" 564 "\tinit_groups\n\n"), stderr); 565 exit(1); 566 } 567} 568 569static void syntax_err_report(const char *filename, long err, int line_num) 570{ 571 fprintf(stderr, 572 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), 573 filename, line_num, error_message(err)); 574 exit(FSCK_ERROR); 575} 576 577static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; 578 579static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) 580{ 581 int flush = 0; 582 int c, fd; 583#ifdef MTRACE 584 extern void *mallwatch; 585#endif 586 e2fsck_t ctx; 587 errcode_t retval; 588#ifdef HAVE_SIGNAL_H 589 struct sigaction sa; 590#endif 591 char *extended_opts = 0; 592 char *cp; 593 int res; /* result of sscanf */ 594#ifdef CONFIG_JBD_DEBUG 595 char *jbd_debug; 596#endif 597 598 retval = e2fsck_allocate_context(&ctx); 599 if (retval) 600 return retval; 601 602 *ret_ctx = ctx; 603 604 setvbuf(stdout, NULL, _IONBF, BUFSIZ); 605 setvbuf(stderr, NULL, _IONBF, BUFSIZ); 606 if (isatty(0) && isatty(1)) { 607 ctx->interactive = 1; 608 } else { 609 ctx->start_meta[0] = '\001'; 610 ctx->stop_meta[0] = '\002'; 611 } 612 memset(bar, '=', sizeof(bar)-1); 613 memset(spaces, ' ', sizeof(spaces)-1); 614 add_error_table(&et_ext2_error_table); 615 add_error_table(&et_prof_error_table); 616 blkid_get_cache(&ctx->blkid, NULL); 617 618 if (argc && *argv) 619 ctx->program_name = *argv; 620 else 621 ctx->program_name = "e2fsck"; 622 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) 623 switch (c) { 624 case 'C': 625 ctx->progress = e2fsck_update_progress; 626 res = sscanf(optarg, "%d", &ctx->progress_fd); 627 if (res != 1) 628 goto sscanf_err; 629 630 if (ctx->progress_fd < 0) { 631 ctx->progress = 0; 632 ctx->progress_fd = ctx->progress_fd * -1; 633 } 634 if (!ctx->progress_fd) 635 break; 636 /* Validate the file descriptor to avoid disasters */ 637 fd = dup(ctx->progress_fd); 638 if (fd < 0) { 639 fprintf(stderr, 640 _("Error validating file descriptor %d: %s\n"), 641 ctx->progress_fd, 642 error_message(errno)); 643 fatal_error(ctx, 644 _("Invalid completion information file descriptor")); 645 } else 646 close(fd); 647 break; 648 case 'D': 649 ctx->options |= E2F_OPT_COMPRESS_DIRS; 650 break; 651 case 'E': 652 extended_opts = optarg; 653 break; 654 case 'p': 655 case 'a': 656 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { 657 conflict_opt: 658 fatal_error(ctx, 659 _("Only one of the options -p/-a, -n or -y may be specified.")); 660 } 661 ctx->options |= E2F_OPT_PREEN; 662 break; 663 case 'n': 664 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) 665 goto conflict_opt; 666 ctx->options |= E2F_OPT_NO; 667 break; 668 case 'y': 669 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) 670 goto conflict_opt; 671 ctx->options |= E2F_OPT_YES; 672 break; 673 case 't': 674#ifdef RESOURCE_TRACK 675 if (ctx->options & E2F_OPT_TIME) 676 ctx->options |= E2F_OPT_TIME2; 677 else 678 ctx->options |= E2F_OPT_TIME; 679#else 680 fprintf(stderr, _("The -t option is not " 681 "supported on this version of e2fsck.\n")); 682#endif 683 break; 684 case 'c': 685 if (cflag++) 686 ctx->options |= E2F_OPT_WRITECHECK; 687 ctx->options |= E2F_OPT_CHECKBLOCKS; 688 break; 689 case 'r': 690 /* What we do by default, anyway! */ 691 break; 692 case 'b': 693 res = sscanf(optarg, "%d", &ctx->use_superblock); 694 if (res != 1) 695 goto sscanf_err; 696 ctx->flags |= E2F_FLAG_SB_SPECIFIED; 697 break; 698 case 'B': 699 ctx->blocksize = atoi(optarg); 700 break; 701 case 'I': 702 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); 703 if (res != 1) 704 goto sscanf_err; 705 break; 706 case 'j': 707 ctx->journal_name = string_copy(ctx, optarg, 0); 708 break; 709 case 'P': 710 res = sscanf(optarg, "%d", &ctx->process_inode_size); 711 if (res != 1) 712 goto sscanf_err; 713 break; 714 case 'L': 715 replace_bad_blocks++; 716 case 'l': 717 bad_blocks_file = string_copy(ctx, optarg, 0); 718 break; 719 case 'd': 720 ctx->options |= E2F_OPT_DEBUG; 721 break; 722 case 'f': 723 ctx->options |= E2F_OPT_FORCE; 724 break; 725 case 'F': 726 flush = 1; 727 break; 728 case 'v': 729 verbose = 1; 730 break; 731 case 'V': 732 show_version_only = 1; 733 break; 734#ifdef MTRACE 735 case 'M': 736 mallwatch = (void *) strtol(optarg, NULL, 0); 737 break; 738#endif 739 case 'N': 740 ctx->device_name = string_copy(ctx, optarg, 0); 741 break; 742 case 'k': 743 keep_bad_blocks++; 744 break; 745 default: 746 usage(ctx); 747 } 748 if (show_version_only) 749 return 0; 750 if (optind != argc - 1) 751 usage(ctx); 752 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && 753 !cflag && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) 754 ctx->options |= E2F_OPT_READONLY; 755 756 ctx->io_options = strchr(argv[optind], '?'); 757 if (ctx->io_options) 758 *ctx->io_options++ = 0; 759 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); 760 if (!ctx->filesystem_name) { 761 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), 762 argv[optind]); 763 fatal_error(ctx, 0); 764 } 765 ctx->filesystem_name = string_copy(ctx, ctx->filesystem_name, 0); 766 if (extended_opts) 767 parse_extended_opts(ctx, extended_opts); 768 769 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 770 config_fn[0] = cp; 771 profile_set_syntax_err_cb(syntax_err_report); 772 profile_init(config_fn, &ctx->profile); 773 774 if (flush) { 775 fd = open(ctx->filesystem_name, O_RDONLY, 0); 776 if (fd < 0) { 777 com_err("open", errno, 778 _("while opening %s for flushing"), 779 ctx->filesystem_name); 780 fatal_error(ctx, 0); 781 } 782 if ((retval = ext2fs_sync_device(fd, 1))) { 783 com_err("ext2fs_sync_device", retval, 784 _("while trying to flush %s"), 785 ctx->filesystem_name); 786 fatal_error(ctx, 0); 787 } 788 close(fd); 789 } 790 if (cflag && bad_blocks_file) { 791 fprintf(stderr, _("The -c and the -l/-L options may " 792 "not be both used at the same time.\n")); 793 exit(FSCK_USAGE); 794 } 795#ifdef HAVE_SIGNAL_H 796 /* 797 * Set up signal action 798 */ 799 memset(&sa, 0, sizeof(struct sigaction)); 800 sa.sa_handler = signal_cancel; 801 sigaction(SIGINT, &sa, 0); 802 sigaction(SIGTERM, &sa, 0); 803#ifdef SA_RESTART 804 sa.sa_flags = SA_RESTART; 805#endif 806 e2fsck_global_ctx = ctx; 807 sa.sa_handler = signal_progress_on; 808 sigaction(SIGUSR1, &sa, 0); 809 sa.sa_handler = signal_progress_off; 810 sigaction(SIGUSR2, &sa, 0); 811#endif 812 813 /* Update our PATH to include /sbin if we need to run badblocks */ 814 if (cflag) { 815 char *oldpath = getenv("PATH"); 816 char *newpath; 817 int len = sizeof(PATH_SET) + 1; 818 819 if (oldpath) 820 len += strlen(oldpath); 821 822 newpath = malloc(len); 823 if (!newpath) 824 fatal_error(ctx, "Couldn't malloc() newpath"); 825 strcpy(newpath, PATH_SET); 826 827 if (oldpath) { 828 strcat(newpath, ":"); 829 strcat(newpath, oldpath); 830 } 831 putenv(newpath); 832 } 833#ifdef CONFIG_JBD_DEBUG 834 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 835 if (jbd_debug) { 836 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 837 if (res != 1) { 838 fprintf(stderr, 839 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 840 jbd_debug); 841 exit (1); 842 } 843 } 844#endif 845 return 0; 846 847sscanf_err: 848 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 849 c, optarg); 850 exit (1); 851} 852 853static const char *my_ver_string = E2FSPROGS_VERSION; 854static const char *my_ver_date = E2FSPROGS_DATE; 855 856int main (int argc, char *argv[]) 857{ 858 errcode_t retval = 0, orig_retval = 0; 859 int exit_value = FSCK_OK; 860 ext2_filsys fs = 0; 861 io_manager io_ptr; 862 struct ext2_super_block *sb; 863 const char *lib_ver_date; 864 int my_ver, lib_ver; 865 e2fsck_t ctx; 866 struct problem_context pctx; 867 int flags, run_result; 868 int journal_size; 869 int sysval, sys_page_size = 4096; 870 __u32 features[3]; 871 char *cp; 872 873 clear_problem_context(&pctx); 874#ifdef MTRACE 875 mtrace(); 876#endif 877#ifdef MCHECK 878 mcheck(0); 879#endif 880#ifdef ENABLE_NLS 881 setlocale(LC_MESSAGES, ""); 882 setlocale(LC_CTYPE, ""); 883 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 884 textdomain(NLS_CAT_NAME); 885#endif 886 my_ver = ext2fs_parse_version_string(my_ver_string); 887 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 888 if (my_ver > lib_ver) { 889 fprintf( stderr, _("Error: ext2fs library version " 890 "out of date!\n")); 891 show_version_only++; 892 } 893 894 retval = PRS(argc, argv, &ctx); 895 if (retval) { 896 com_err("e2fsck", retval, 897 _("while trying to initialize program")); 898 exit(FSCK_ERROR); 899 } 900 reserve_stdio_fds(); 901 902#ifdef RESOURCE_TRACK 903 init_resource_track(&ctx->global_rtrack, NULL); 904#endif 905 906 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 907 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 908 my_ver_date); 909 910 if (show_version_only) { 911 fprintf(stderr, _("\tUsing %s, %s\n"), 912 error_message(EXT2_ET_BASE), lib_ver_date); 913 exit(FSCK_OK); 914 } 915 916 check_mount(ctx); 917 918 if (!(ctx->options & E2F_OPT_PREEN) && 919 !(ctx->options & E2F_OPT_NO) && 920 !(ctx->options & E2F_OPT_YES)) { 921 if (!ctx->interactive) 922 fatal_error(ctx, 923 _("need terminal for interactive repairs")); 924 } 925 ctx->superblock = ctx->use_superblock; 926restart: 927#ifdef CONFIG_TESTIO_DEBUG 928 io_ptr = test_io_manager; 929 test_io_backing_manager = unix_io_manager; 930#else 931 io_ptr = unix_io_manager; 932#endif 933 flags = EXT2_FLAG_NOFREE_ON_ERROR; 934 if ((ctx->options & E2F_OPT_READONLY) == 0) 935 flags |= EXT2_FLAG_RW; 936 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 937 flags |= EXT2_FLAG_EXCLUSIVE; 938 939 if (ctx->superblock && ctx->blocksize) { 940 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 941 flags, ctx->superblock, ctx->blocksize, 942 io_ptr, &fs); 943 } else if (ctx->superblock) { 944 int blocksize; 945 for (blocksize = EXT2_MIN_BLOCK_SIZE; 946 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 947 retval = ext2fs_open2(ctx->filesystem_name, 948 ctx->io_options, flags, 949 ctx->superblock, blocksize, 950 io_ptr, &fs); 951 if (!retval) 952 break; 953 } 954 } else 955 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 956 flags, 0, 0, io_ptr, &fs); 957 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 958 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 959 ((retval == EXT2_ET_BAD_MAGIC) || 960 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 961 ((retval == 0) && ext2fs_check_desc(fs)))) { 962 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 963 ext2fs_free(fs); 964 fs = NULL; 965 } 966 if (!fs || (fs->group_desc_count > 1)) { 967 printf(_("%s: %s trying backup blocks...\n"), 968 ctx->program_name, 969 retval ? _("Superblock invalid,") : 970 _("Group descriptors look bad...")); 971 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 972 if (fs) 973 ext2fs_close(fs); 974 orig_retval = retval; 975 goto restart; 976 } 977 } 978 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 979 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 980 fs && fs->super) { 981 sb = fs->super; 982 features[0] = (sb->s_feature_compat & 983 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 984 features[1] = (sb->s_feature_incompat & 985 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 986 features[2] = (sb->s_feature_ro_compat & 987 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 988 if (features[0] || features[1] || features[2]) 989 goto print_unsupp_features; 990 } 991 if (retval) { 992 if (orig_retval) 993 retval = orig_retval; 994 com_err(ctx->program_name, retval, _("while trying to open %s"), 995 ctx->filesystem_name); 996 if (retval == EXT2_ET_REV_TOO_HIGH) { 997 printf(_("The filesystem revision is apparently " 998 "too high for this version of e2fsck.\n" 999 "(Or the filesystem superblock " 1000 "is corrupt)\n\n")); 1001 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1002 } else if (retval == EXT2_ET_SHORT_READ) 1003 printf(_("Could this be a zero-length partition?\n")); 1004 else if ((retval == EPERM) || (retval == EACCES)) 1005 printf(_("You must have %s access to the " 1006 "filesystem or be root\n"), 1007 (ctx->options & E2F_OPT_READONLY) ? 1008 "r/o" : "r/w"); 1009 else if (retval == ENXIO) 1010 printf(_("Possibly non-existent or swap device?\n")); 1011 else if (retval == EBUSY) 1012 printf(_("Filesystem mounted or opened exclusively " 1013 "by another program?\n")); 1014#ifdef EROFS 1015 else if (retval == EROFS) 1016 printf(_("Disk write-protected; use the -n option " 1017 "to do a read-only\n" 1018 "check of the device.\n")); 1019#endif 1020 else 1021 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1022 fatal_error(ctx, 0); 1023 } 1024 /* 1025 * We only update the master superblock because (a) paranoia; 1026 * we don't want to corrupt the backup superblocks, and (b) we 1027 * don't need to update the mount count and last checked 1028 * fields in the backup superblock (the kernel doesn't update 1029 * the backup superblocks anyway). With newer versions of the 1030 * library this flag is set by ext2fs_open2(), but we set this 1031 * here just to be sure. (No, we don't support e2fsck running 1032 * with some other libext2fs than the one that it was shipped 1033 * with, but just in case....) 1034 */ 1035 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1036 1037 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1038 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1039 int need_restart = 0; 1040 1041 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1042 blocksize, 1043 &ctx->num_blocks); 1044 /* 1045 * The floppy driver refuses to allow anyone else to 1046 * open the device if has been opened with O_EXCL; 1047 * this is unlike other block device drivers in Linux. 1048 * To handle this, we close the filesystem and then 1049 * reopen the filesystem after we get the device size. 1050 */ 1051 if (pctx.errcode == EBUSY) { 1052 ext2fs_close(fs); 1053 need_restart++; 1054 pctx.errcode = 1055 ext2fs_get_device_size(ctx->filesystem_name, 1056 blocksize, 1057 &ctx->num_blocks); 1058 } 1059 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1060 ctx->num_blocks = 0; 1061 else if (pctx.errcode) { 1062 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1063 ctx->flags |= E2F_FLAG_ABORT; 1064 fatal_error(ctx, 0); 1065 } 1066 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1067 if (need_restart) 1068 goto restart; 1069 } 1070 1071 ctx->fs = fs; 1072 fs->priv_data = ctx; 1073 fs->now = ctx->now; 1074 sb = fs->super; 1075 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1076 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1077 _("while trying to open %s"), 1078 ctx->filesystem_name); 1079 get_newer: 1080 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1081 } 1082 1083 /* 1084 * Set the device name, which is used whenever we print error 1085 * or informational messages to the user. 1086 */ 1087 if (ctx->device_name == 0 && 1088 (sb->s_volume_name[0] != 0)) { 1089 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1090 sizeof(sb->s_volume_name)); 1091 } 1092 if (ctx->device_name == 0) 1093 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); 1094 for (cp = ctx->device_name; *cp; cp++) 1095 if (isspace(*cp) || *cp == ':') 1096 *cp = '_'; 1097 1098 /* 1099 * Make sure the ext3 superblock fields are consistent. 1100 */ 1101 retval = e2fsck_check_ext3_journal(ctx); 1102 if (retval) { 1103 com_err(ctx->program_name, retval, 1104 _("while checking ext3 journal for %s"), 1105 ctx->device_name); 1106 fatal_error(ctx, 0); 1107 } 1108 1109 /* 1110 * Check to see if we need to do ext3-style recovery. If so, 1111 * do it, and then restart the fsck. 1112 */ 1113 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1114 if (ctx->options & E2F_OPT_READONLY) { 1115 printf(_("Warning: skipping journal recovery " 1116 "because doing a read-only filesystem " 1117 "check.\n")); 1118 io_channel_flush(ctx->fs->io); 1119 } else { 1120 if (ctx->flags & E2F_FLAG_RESTARTED) { 1121 /* 1122 * Whoops, we attempted to run the 1123 * journal twice. This should never 1124 * happen, unless the hardware or 1125 * device driver is being bogus. 1126 */ 1127 com_err(ctx->program_name, 0, 1128 _("unable to set superblock flags on %s\n"), ctx->device_name); 1129 fatal_error(ctx, 0); 1130 } 1131 retval = e2fsck_run_ext3_journal(ctx); 1132 if (retval) { 1133 com_err(ctx->program_name, retval, 1134 _("while recovering ext3 journal of %s"), 1135 ctx->device_name); 1136 fatal_error(ctx, 0); 1137 } 1138 ext2fs_close(ctx->fs); 1139 ctx->fs = 0; 1140 ctx->flags |= E2F_FLAG_RESTARTED; 1141 goto restart; 1142 } 1143 } 1144 1145 /* 1146 * Check for compatibility with the feature sets. We need to 1147 * be more stringent than ext2fs_open(). 1148 */ 1149 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1150 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1151 features[2] = (sb->s_feature_ro_compat & 1152 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1153print_unsupp_features: 1154 if (features[0] || features[1] || features[2]) { 1155 int i, j; 1156 __u32 *mask = features, m; 1157 1158 fprintf(stderr, _("%s has unsupported feature(s):"), 1159 ctx->filesystem_name); 1160 1161 for (i=0; i <3; i++,mask++) { 1162 for (j=0,m=1; j < 32; j++, m<<=1) { 1163 if (*mask & m) 1164 fprintf(stderr, " %s", 1165 e2p_feature2string(i, m)); 1166 } 1167 } 1168 putc('\n', stderr); 1169 goto get_newer; 1170 } 1171#ifdef ENABLE_COMPRESSION 1172 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1173 com_err(ctx->program_name, 0, 1174 _("Warning: compression support is experimental.\n")); 1175#endif 1176#ifndef ENABLE_HTREE 1177 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1178 com_err(ctx->program_name, 0, 1179 _("E2fsck not compiled with HTREE support,\n\t" 1180 "but filesystem %s has HTREE directories.\n"), 1181 ctx->device_name); 1182 goto get_newer; 1183 } 1184#endif 1185 1186 /* 1187 * If the user specified a specific superblock, presumably the 1188 * master superblock has been trashed. So we mark the 1189 * superblock as dirty, so it can be written out. 1190 */ 1191 if (ctx->superblock && 1192 !(ctx->options & E2F_OPT_READONLY)) 1193 ext2fs_mark_super_dirty(fs); 1194 1195 /* 1196 * Calculate the number of filesystem blocks per pagesize. If 1197 * fs->blocksize > page_size, set the number of blocks per 1198 * pagesize to 1 to avoid division by zero errors. 1199 */ 1200#ifdef _SC_PAGESIZE 1201 sysval = sysconf(_SC_PAGESIZE); 1202 if (sysval > 0) 1203 sys_page_size = sysval; 1204#endif /* _SC_PAGESIZE */ 1205 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1206 if (ctx->blocks_per_page == 0) 1207 ctx->blocks_per_page = 1; 1208 1209 ehandler_init(fs->io); 1210 1211 if (ctx->superblock) 1212 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1213 ext2fs_mark_valid(fs); 1214 check_super_block(ctx); 1215 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1216 fatal_error(ctx, 0); 1217 check_if_skip(ctx); 1218 if (bad_blocks_file) 1219 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1220 else if (cflag) 1221 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1222 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1223 fatal_error(ctx, 0); 1224 1225 /* 1226 * Mark the system as valid, 'til proven otherwise 1227 */ 1228 ext2fs_mark_valid(fs); 1229 1230 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1231 if (retval) { 1232 com_err(ctx->program_name, retval, 1233 _("while reading bad blocks inode")); 1234 preenhalt(ctx); 1235 printf(_("This doesn't bode well," 1236 " but we'll try to go on...\n")); 1237 } 1238 1239 /* 1240 * Save the journal size in megabytes. 1241 * Try and use the journal size from the backup else let e2fsck 1242 * find the default journal size. 1243 */ 1244 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1245 journal_size = sb->s_jnl_blocks[16] >> 20; 1246 else 1247 journal_size = -1; 1248 1249 run_result = e2fsck_run(ctx); 1250 e2fsck_clear_progbar(ctx); 1251 1252 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1253 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1254 if (journal_size < 1024) 1255 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1256 if (journal_size < 0) { 1257 fs->super->s_feature_compat &= 1258 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1259 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1260 com_err(ctx->program_name, 0, 1261 _("Couldn't determine journal size")); 1262 goto no_journal; 1263 } 1264 printf(_("Creating journal (%d blocks): "), 1265 journal_size); 1266 fflush(stdout); 1267 retval = ext2fs_add_journal_inode(fs, 1268 journal_size, 0); 1269 if (retval) { 1270 com_err("Error ", retval, 1271 _("\n\twhile trying to create journal")); 1272 goto no_journal; 1273 } 1274 printf(_(" Done.\n")); 1275 printf(_("\n*** journal has been re-created - " 1276 "filesystem is now ext3 again ***\n")); 1277 } 1278 } 1279no_journal: 1280 1281 if (run_result == E2F_FLAG_RESTART) { 1282 printf(_("Restarting e2fsck from the beginning...\n")); 1283 retval = e2fsck_reset_context(ctx); 1284 if (retval) { 1285 com_err(ctx->program_name, retval, 1286 _("while resetting context")); 1287 fatal_error(ctx, 0); 1288 } 1289 ext2fs_close(fs); 1290 goto restart; 1291 } 1292 if (run_result & E2F_FLAG_CANCEL) { 1293 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1294 ctx->device_name : ctx->filesystem_name); 1295 exit_value |= FSCK_CANCELED; 1296 } 1297 if (run_result & E2F_FLAG_ABORT) 1298 fatal_error(ctx, _("aborted")); 1299 if (check_backup_super_block(ctx)) { 1300 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1301 ext2fs_mark_super_dirty(fs); 1302 } 1303 1304#ifdef MTRACE 1305 mtrace_print("Cleanup"); 1306#endif 1307 if (ext2fs_test_changed(fs)) { 1308 exit_value |= FSCK_NONDESTRUCT; 1309 if (!(ctx->options & E2F_OPT_PREEN)) 1310 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1311 ctx->device_name); 1312 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1313 printf(_("%s: ***** REBOOT LINUX *****\n"), 1314 ctx->device_name); 1315 exit_value |= FSCK_REBOOT; 1316 } 1317 } 1318 if (!ext2fs_test_valid(fs) || 1319 ((exit_value & FSCK_CANCELED) && 1320 (sb->s_state & EXT2_ERROR_FS))) { 1321 printf(_("\n%s: ********** WARNING: Filesystem still has " 1322 "errors **********\n\n"), ctx->device_name); 1323 exit_value |= FSCK_UNCORRECTED; 1324 exit_value &= ~FSCK_NONDESTRUCT; 1325 } 1326 if (exit_value & FSCK_CANCELED) { 1327 int allow_cancellation; 1328 1329 profile_get_boolean(ctx->profile, "options", 1330 "allow_cancellation", 0, 0, 1331 &allow_cancellation); 1332 exit_value &= ~FSCK_NONDESTRUCT; 1333 if (allow_cancellation && ext2fs_test_valid(fs) && 1334 (sb->s_state & EXT2_VALID_FS) && 1335 !(sb->s_state & EXT2_ERROR_FS)) 1336 exit_value = 0; 1337 } else { 1338 show_stats(ctx); 1339 if (!(ctx->options & E2F_OPT_READONLY)) { 1340 if (ext2fs_test_valid(fs)) { 1341 if (!(sb->s_state & EXT2_VALID_FS)) 1342 exit_value |= FSCK_NONDESTRUCT; 1343 sb->s_state = EXT2_VALID_FS; 1344 } else 1345 sb->s_state &= ~EXT2_VALID_FS; 1346 sb->s_mnt_count = 0; 1347 sb->s_lastcheck = ctx->now; 1348 ext2fs_mark_super_dirty(fs); 1349 } 1350 } 1351 1352 if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM && 1353 !(ctx->options & E2F_OPT_READONLY)) { 1354 retval = ext2fs_set_gdt_csum(ctx->fs); 1355 if (retval) { 1356 com_err(ctx->program_name, retval, 1357 _("while setting block group checksum info")); 1358 fatal_error(ctx, 0); 1359 } 1360 } 1361 1362 e2fsck_write_bitmaps(ctx); 1363#ifdef RESOURCE_TRACK 1364 io_channel_flush(ctx->fs->io); 1365 if (ctx->options & E2F_OPT_TIME) 1366 print_resource_track(NULL, &ctx->global_rtrack, ctx->fs->io); 1367#endif 1368 ext2fs_close(fs); 1369 ctx->fs = NULL; 1370 free(ctx->filesystem_name); 1371 free(ctx->journal_name); 1372 1373 e2fsck_free_context(ctx); 1374 remove_error_table(&et_ext2_error_table); 1375 remove_error_table(&et_prof_error_table); 1376 return exit_value; 1377} 1378